http://www.neatorama.com/2007/04/30/30-strangest-animal-mating-habits/
THIS WEBSITE OWNS

sum info i got from there
chimpanzees use sex as greetings, They tongue kiss, engage in oral sex, mutual masturbations, have face-to-face genital sex and even have a strange "penis fencing" ritual!


For flatworms, sex is more like war than love. Like all sea slugs, flatworms are hermaphrodites (they have both male and female sexual organs). In this case, the male organ turns out to be two dagger-like penises that they use to hunt as well as mate. During mating, two flatworms fight (i.e. "penis fence") to stab each other, while avoiding getting stabed.
The "loser" who gets stabbed will absorb the sperm through its skin and then scoots off to bear the burden of motherhood

Hyena: The Females Got Balls!
A female hyena has a pseudopenis, basically an enlarged clitoris, that they can erect at will.

Here’s something you probably don’t know about Flipper: he has retractable penis. And if that’s not cool enough, here’s something else: his penis is prehensile. And it swivels. In fact, a male dolphin can use his penis to explore objects just like a hand.


Male macaques will pay (in form of fruits) to get a peek at the hind quarters of a female macaque.
Actually, that’s not all: they will also pay to gaze at pictures of dominant "celebrity" monkeys (i.e. the high-ranking males) in their pack. Huh.
Anyways, if that isn’t enough bad behavior for you, think about this: macaque males will attack their enemy when he is at his weakest: during orgasm.

The average size of a banana slug penis is 6 to 8 inches. This is incredibly impressive, considering their entire body length is 6 to 8 inches as well

From head to tail, the Argentine lake duck measures about 17 inches. That also happens to be the length of its corkscrew-shaped penis when stretched out


cool right??
check the website out

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